1121101112112 has 20 divisors (see below), whose sum is σ = 2896177873080. Its totient is φ = 373700370688.

The previous prime is 1121101112069. The next prime is 1121101112119. The reversal of 1121101112112 is 2112111011211.

It is a junction number, because it is equal to n+sod(n) for n = 1121101112091 and 1121101112100.

It is not an unprimeable number, because it can be changed into a prime (1121101112119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11678136537 + ... + 11678136632.

It is an arithmetic number, because the mean of its divisors is an integer number (144808893654).

Almost surely, 2^{1121101112112} is an apocalyptic number.

1121101112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121101112112 is an abundant number, since it is smaller than the sum of its proper divisors (1775076760968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121101112112 is a wasteful number, since it uses less digits than its factorization.

1121101112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356273180 (or 23356273174 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1121101112112 its reverse (2112111011211), we get a palindrome (3233212123323).

The spelling of 1121101112112 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred twelve thousand, one hundred twelve".